// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

function parse (txt) {
  try {
    eval (txt)
    assert (false)
  } catch (e) {
    assert (e instanceof SyntaxError)
  }
}

var a = 21;
var b = 10;
var c;

parse ("c =  a++b");
parse ("c =  a--b");

parse ("c = a +* b");
parse ("c = a -* b");
parse ("c = a +/ b");
parse ("c = a -/ b");
parse ("c = a +% b");
parse ("c = a -% b");

parse ("a =* b");
parse ("a =/ b");
parse ("a =% b");

parse ("c = a+");
parse ("c = a-");
